Process for preparing acylsulfamoylbenzamides

Details Process for preparing acylsulfamoylbenzamides Process for preparing acylsulfamoylbenzamides

C - Chemistry, Metallurgy

07

C

C07C 303/40 (2006.01) C07C 311/51 (2006.01)

Patent

CA 2530375

The invention relates to a process for the preparation of a compound of formula (1) which comprises reaction of a compound of formula (II) with a compound of the formula (III) in the presence of a chlorinating agent, followed by reaction of the resultant compound of the formula (IV) with a compound of formula (V) in the presence of a base wherein the various symbols are as defined in claim 1.

L'invention concerne un procédé de préparation d'un composé de formule (1). Ce procédé consiste à faire réagir un composé de formule (II) avec un composé de formule (III) en présence d'un agent de chloration, puis à faire réagir le composé obtenu de formule (IV) avec un composé de formule (V), en présence d'une base, les symboles variés étant définis dans la revendication 1.

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